Watch Battery Murata 329 is a silver oxide low drain battery 1.55 V. Watch Battery 329 measures 7.9X3.1mm. This battery has a capacity of 37 mAh. Since 2017, Sony watch batteries were manufactured by Murata. The very same high-quality batteries are available today—only under the Murata brand. Surpassing production of over 10 billion silver oxide batteries, Murata is recognized as The Global Leader in both the OEM and Replacement watch battery markets.
Interchange: Renata 329, Energizer 329, Maxell SR731SW, Varta V329, Rayovac 329, I.E.C SR731.